Questions:

1. What are plant growth hormones? Give examples.
2.                   is the first plant hormone to be identified.
1. Auxin
2. Gibberellin
3. Cytokinin
4. Abscisic acid
3. Draw the structure of auxin.
4. What are natural auxins? Give examples.
5. What are synthetic auxins? Give examples.
6. Give an example of natural and synthetic cytokinin.
7.                  is known as the ‘ripening hormone’.
1. Abscisic acid
2. Auxin
3. Ethylene
8. What are plant growth hormones? Describe each of the phytohormones in detail.
9. What are auxins? How can auxins be classified based on its occurrence in plants? Add a note to it.
10. How was gibberellin discovered? Mention the functions of gibberellin.
11. Discuss the effect of cytokinin in plant growth and development.
12. Discuss the effect of abscisic acid in plant growth and development.
13. Which plant hormone is known as the ‘ripening hormone’? How was it discovered? Discuss its effect in plant growth and development.